Orthonybyoceras

Orthonybyoceras dyeri
Frey, 1995
Scale bar is 1 cm
Species
Orthonybyoceras dyeri (Miller, 1875)
Occurrence: Fairview, Corryville, Grant Lake, Bull Fork
Reference: Frey, 1995
Formerly Orthoceras dyeri, Ormoceras? covingtonense, Orthonybyoceras covingtonense